updated 08:00 am EDT, Thu October 21, 2010

USBfever case includes rechargable battery

Three new cases, one a power pack, have launched for the iPhone 4, two from SitchEasy, the Vulcan for iPhone 4 and the Glitz for iPhone 4 and one from USBfever, the Power Pack with Click Stand for iPhone 4. SwitchEasy's Vulcan is a hydro polymer semi-soft case that is both resistant to scratches and tears. It is a thin, semi-transparent case with coverings for all buttons and jack and dock add-on seals. It ships with two anti-static screen guards and arrives in either ultra black or ultra clear. The Vulcan for iPhone is shipping now for $20.

The Glitz for iPhone is also hydro polymer with a polycarbonate hard surface with a glimmer shield that creates reflections at multiple angles. It too has coverings for all buttons and jack and dock add-on seals. It offers good grip but can be easily slid into and out of shirt and pants pockets. The black case ships with two screen guards and a video stand for $28.

USBfever's Power Pack with Click Stand is case with an ultrathin rechargeable battery built in. It charges via a micro-USB port and has overcharging protection. The battery is rated at 1400mAh, the case has a kickstand for media viewing and arrives in black, with white versions to ship soon. It costs $40.